Polish KarlDNS production UI and docs

router_dyndns/store/schema.py

@@ -17,6 +17,7 @@ def connect_database(database_path: Path) -> sqlite3.Connection:
     if str(database_path) != ":memory:":
         database_path.parent.mkdir(parents=True, exist_ok=True)
     conn = sqlite3.connect(database_path, check_same_thread=False)
+    conn.row_factory = sqlite3.Row
     configure_connection(conn)
     return conn
 
@@ -129,6 +130,15 @@ def initialize_schema(conn: sqlite3.Connection) -> None:
         """
     )
     conn.execute("CREATE INDEX IF NOT EXISTS idx_rate_limits_window ON rate_limits(window)")
+    conn.execute(
+        """
+        CREATE TABLE IF NOT EXISTS service_metrics (
+          name TEXT PRIMARY KEY,
+          value REAL NOT NULL,
+          updated_at TEXT NOT NULL
+        )
+        """
+    )
     conn.execute(
         """
         CREATE TABLE IF NOT EXISTS accounts (